Home / 3,402.12-5,100.84-1,180.39

Finding the Fourth Proportional to 3,402.12, 5,100.84 and 1,180.39

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Solution

The fourth proportional to 3,402.12, 5,100.84 and 1,180.39 is: 1,769.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,402.12 : 5,100.84 = 1,180.39 : x
  2. Step 2: Convert to fraction form
    3,402.12/5,100.84 = 1,180.39/x
  3. Step 3: Cross multiply
    3,402.12x = 5,100.84 × 1,180.39
  4. Step 4: Simplify right side
    3,402.12x = 6,020,980.53
  5. Step 5: Solve for x
    x = 6,020,980.53/3,402.12
  6. Step 6: Final answer
    x = 1,769.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.